IOCAS-IR
Evolutionary trade-offs between baseline and plastic gene expression in two congeneric oyster species.
Li, Ao; Li, Li; Wang, Wei; Zhang, Guofan
2019-06-01
Source PublicationBiology Letters
ISSN1744-9561
Volume15Issue:6Pages:20190202
AbstractOrganismal responses to environmental stresses are a determinant of the effect of climate change. These can occur through the regulation of gene expression, involving genetic adaptation and plastic changes as evolutionary strategy. Heat shock protein (hsp) family genes are extensively expanded and play important roles in thermal adaptation in oysters. We investigated expression of all heat-responsive hsps in two allopatric congeneric oyster species, Crassostrea gigas and C. angulata, which are respectively distributed along the northern and southern coasts of China, using common garden and reciprocal transplant experiments. Our results showed that hsps in C. gigas have evolved higher basal levels of expression under ambient conditions at each field site, with lower expression plasticity in response to heat stress in comparison to C. angulata, which exhibited lower baseline expression but higher expression plasticity. This pattern was fixed regardless of environmental disturbance, potentially implying genetic assimilation. Our findings indicate divergent adaptive strategies with underlying evolutionary trade-offs between genetic adaptation and plasticity at the molecular level in two oyster congeners in the face of rapid climate change.
Indexed BySCI
Language英语
WOS Research AreaPhysiology ; Zoology ; Biochemistry & Molecular Biology ; Genetics & Heredity ; Evolutionary Biology ; Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectPHYSIOLOGY ; ZOOLOGY ; BIOCHEMISTRY MOLECULAR BIOLOGY ; GENETICS HEREDITY ; EVOLUTIONARY BIOLOGY ; ENVIRONMENTAL SCIENCES ; METEOROLOGY ATMOSPHERIC SCIENCES
WOS IDWOS:ZOOR15512080225
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164836
Collection中国科学院海洋研究所
AffiliationChinese Acad Sci, Inst Oceanol, Qingdao, Shandong, China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Ao,Li, Li,Wang, Wei,et al. Evolutionary trade-offs between baseline and plastic gene expression in two congeneric oyster species.[J]. Biology Letters,2019,15(6):20190202.
APA Li, Ao,Li, Li,Wang, Wei,&Zhang, Guofan.(2019).Evolutionary trade-offs between baseline and plastic gene expression in two congeneric oyster species..Biology Letters,15(6),20190202.
MLA Li, Ao,et al."Evolutionary trade-offs between baseline and plastic gene expression in two congeneric oyster species.".Biology Letters 15.6(2019):20190202.
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